CVE-2023-4870: Contact Manager App Project Contact Manager App

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability classified as problematic has been found in SourceCodester Contact Manager App 1.0. This affects an unknown part of the file index.php of the component Contact Information Handler. The manipulation of the argument contactID with the input "><sCrIpT>alert(1)</ScRiPt> leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-239355.

Affected products

Published 2023-09-10. Last modified 2026-06-17.